diff --git a/esphome/const.py b/esphome/const.py
index 1b3a4e62a0..2b00cf9d2e 100644
--- a/esphome/const.py
+++ b/esphome/const.py
@@ -200,7 +200,7 @@ CONF_LEVEL = 'level'
 CONF_LG = 'lg'
 CONF_LIBRARIES = 'libraries'
 CONF_LIGHT = 'light'
-CONF_LOADED_INTEGRATIONS = 'loaded_integration'
+CONF_LOADED_INTEGRATIONS = 'loaded_integrations'
 CONF_LOCAL = 'local'
 CONF_LOGGER = 'logger'
 CONF_LOGS = 'logs'
diff --git a/esphome/core.py b/esphome/core.py
index d3d2bbc488..7aaf6b2c70 100644
--- a/esphome/core.py
+++ b/esphome/core.py
@@ -11,7 +11,7 @@ import re
 from typing import Any, Dict, List  # noqa
 
 from esphome.const import CONF_ARDUINO_VERSION, CONF_ESPHOME, CONF_USE_ADDRESS, CONF_WIFI, \
-    SOURCE_FILE_EXTENSIONS, CONF_LOADED_INTEGRATIONS
+    SOURCE_FILE_EXTENSIONS
 from esphome.helpers import ensure_unique_string, is_hassio
 from esphome.py_compat import IS_PY2, integer_types, text_type, string_types
 from esphome.util import OrderedDict
@@ -757,4 +757,4 @@ class EnumValue(object):
 CORE = EsphomeCore()
 
 ConfigType = Dict[str, Any]
-CoreType = EsphomeCore
\ No newline at end of file
+CoreType = EsphomeCore
diff --git a/esphome/dashboard/dashboard.py b/esphome/dashboard/dashboard.py
index 567850049a..22a7dfa105 100644
--- a/esphome/dashboard/dashboard.py
+++ b/esphome/dashboard/dashboard.py
@@ -431,10 +431,10 @@ class DashboardEntry(object):
         return const.__version__
 
     @property
-    def web_server_enabled(self):
+    def loaded_integrations(self):
         if self.storage is None:
             return False
-        return self.storage.web_server_enabled
+        return self.storage.loaded_integrations
 
 
 class MainRequestHandler(BaseHandler):
diff --git a/esphome/dashboard/templates/index.html b/esphome/dashboard/templates/index.html
index ff13c2f167..edf1123c63 100644
--- a/esphome/dashboard/templates/index.html
+++ b/esphome/dashboard/templates/index.html
@@ -67,7 +67,7 @@
           <div class="card-content">
             <span class="card-title">
               {{ escape(entry.name) }}
-              {% if entry.web_server_enabled %}
+              {% if entry.loaded_integrations and 'web_server' in entry.loaded_integrations %}
                 <a href="http://{{ escape(entry.address) }}" target="_blank"><i class="material-icons icon-grey">launch</i></a>
               {% end %}
               <i class="material-icons right dropdown-trigger" data-target="dropdown-{{ i }}">more_vert</i>
diff --git a/esphome/storage_json.py b/esphome/storage_json.py
index 5346dcd596..7141793d0e 100644
--- a/esphome/storage_json.py
+++ b/esphome/storage_json.py
@@ -62,7 +62,7 @@ class StorageJSON(object):
         # The absolute path to the firmware binary
         self.firmware_bin_path = firmware_bin_path  # type: str
         # A list of strings of names of loaded integrations
-        self.loaded_integrations = loaded_integrations   # type: list[str]
+        self.loaded_integrations = loaded_integrations   # type: set[str]
 
     def as_dict(self):
         return {
@@ -76,7 +76,8 @@ class StorageJSON(object):
             'board': self.board,
             'build_path': self.build_path,
             'firmware_bin_path': self.firmware_bin_path,
-            'loaded_integrations ': self.loaded_integrations,
+            'loaded_integrations':
+                sorted(self.loaded_integrations) if self.loaded_integrations is not None else [],
         }
 
     def to_json(self):
@@ -100,7 +101,7 @@ class StorageJSON(object):
             board=esph.board,
             build_path=esph.build_path,
             firmware_bin_path=esph.firmware_bin,
-            loaded_integrations=list(sorted(esph.loaded_integrations)),
+            loaded_integrations=esph.loaded_integrations,
         )
 
     @staticmethod
@@ -220,4 +221,4 @@ class EsphomeStorageJSON(object):
         )
 
     def __eq__(self, o):  # type: (Any) -> bool
-        return isinstance(o, EsphomeStorageJSON) and self.as_dict() == o.as_dict()
\ No newline at end of file
+        return isinstance(o, EsphomeStorageJSON) and self.as_dict() == o.as_dict()